The Marella jug by Brita.

Featuring Micro Carbon Pearls which reduce chlorine and organic impurities improving taste and odor of food and drink BRITA MAXTRA+ contains Ion Exchange Pearls which permanently absorb metals and reduce limescale protecting appliances against scale build up Fresh tasting water without plastic bottle waste with the electronic memo reminder display, you will know when it's time to replace your Maxtra cartridge Water jug has a slim and compact fridge door fitting design with 1.4 Litre filtered capacity, 2.4 Litre total capacity featuring a flip lid for easy filling, dishwasher safe except the lid